en to en_NZ translation catalogue (4 entries)

[ctx: InstallWorker]
en: %n days remaining
en_NZ[0]: %n day remaining
en_NZ[1]: %n days remaining

[ctx: InstallWorker]
en: %n hours remaining
en_NZ[0]: %n hour remaining
en_NZ[1]: %n hours remaining

[ctx: InstallWorker]
en: %n minutes remaining
en_NZ[0]: %n minute remaining
en_NZ[1]: %n minutes remaining

[ctx: InstallWorker]
en: %n seconds remaining
en_NZ[0]: %n second remaining
en_NZ[1]: %n seconds remaining
